..Spindle and giant cells were positive for CD34. A diagnosis of pleomorphic lipoma was made. In view of the benign nature of this mass, it was de-bulked rather than completely excised in order to preserve swallowing function...

..Histologically, the tumor was composed of bland, CD34-positive spindle cells with an abundant fibrous and myxoid stroma interspersed with mature fatty tissue. The patient was free of local recurrence at 2 years of follow-up...

..FNAB diagnosis on SCL also allows to rule out other primary salivary gland tumors that may be clinically and instrumentally indistinguishable and thereby permits an appropriate surgical procedure to ensue...

..A case of multicystic mesothelioma of the liver with secondary involvement of the pelvic peritoneum and the inguinal region is presented. The case is of interest because of its unusual location and peculiar biological behavior...

Intraepithelial carcinoma arising in an endodermal cyst of the posterior fossa

..Based on these findings, the authors view this case as evidence of a malignant transformation of a classic endodermal cyst. The clinicopathologic features and a review of the literature are discussed...

Clear cell "sugar" tumors of urethra: a previously undescribed occurrence and review of published data

..Treatment of this tumor included a surgical excision and complete removal of the urethral mass, with examination of surgical margins. Three months after surgery, the patient remains clinically free of disease...

Non-Hodgkin lymphomas concurrent with HHV8-associated Kaposi's sarcoma in the same lymph node in AIDS and non-AIDS patients

..In the few cases described, the presence of human herpesvirus 8 (HHV8) and Epstein-Barr virus (EBV) in the different neoplastic areas was investigated only by immunohistochemistry and in situ hybridization studies...